Find the original value
Find the new value
Subtract the new value from the original value
Divide the result by the original value
Multiply by 100
Percentage decrease = ((Original value – New value) / Original value) × 100
Find the original value
Find the new value
Subtract the new value from the original value
Divide the result by the original value
Multiply by 100
Percentage decrease = ((Original value – New value) / Original value) × 100